package com.pavlinic.mylisp.javaLibrary;

import java.math.BigInteger;

public class Arithmetic {
  public static BigInteger plus(BigInteger x, BigInteger y) {
    return x.add(y);
  }
  public static BigInteger times(BigInteger x, BigInteger y) {
	  return x.multiply(y);
  }
  public static BigInteger minus(BigInteger x, BigInteger y) {
	  return x.subtract(y);
  }
}
